.unas{
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    box-sizing: border-box;
}

.video {
    margin-bottom: 20px;
    width: 90%;
    max-width: 800px;
    background-color: #000;
    padding: 10px;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}
.video iframe {
    width: 100%;
    height: 0;
    padding-bottom: 56.25%; /* Aspect ratio 16:9 */
    position: relative;
    border: none;
    border-radius: 8px;
}
.description {
    width: 90%;
    max-width: 800px;
    text-align: center;
    background: white;
    padding: 20px;
    border: 2px solid #5e0a0a;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    box-sizing: border-box;
    margin-bottom: 20px;
}
.description h2 {
    color: #333;
    margin-bottom: 15px;
}
.description p {
    color: #555;
    text-align: justify;
}
.video-history {
    width: 90%;
    max-width: 1200px;
    margin-top: 20px;
}
.video-history h3 {
    margin-bottom: 25px;
    font-size: 25px; /* Tamaño de la letra */
    text-align: center;
    color: #360707;
    position: relative; /* Necesario si usas un pseudo-elemento */
    border-bottom: 6px solid #571111; /* Línea debajo del texto */
    padding-bottom: 10px; /* Espacio entre el texto y la línea */
}

.history-row {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    justify-content: space-between;
}
.history-item {
    flex: 1 1 calc(25% - 15px);
    background: white;
    border: 1px solid #5e0a0a;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    overflow: hidden;
    text-align: center;
}
.history-item iframe {
    width: 100%;
    height: 150px;
    border: none;
}
.history-item p {
    padding: 10px;
    font-size: 0.9em;
    color: #555;
}
@media (max-width: 768px) {
    .history-item {
        flex: 1 1 calc(50% - 15px);
    }
}
@media (max-width: 480px) {
    .history-item {
        flex: 1 1 100%;
    }
}